1m 45sLength

Subscribe to ITN News: http://bit.ly/1bmWO8h Swapping the adrenaline rush of big wave surfing for the calmer waters of the Tagus River, on his trip to Portugal, world-renowned American surfer Garrett McNamara certainly made waves. McNamara, who holds the record for the largest wave ever ridden, took to the so-called 'Gasoline' waves generated by the catamarans that connect Lisbon and Barreiro. The event, dubbed the 'McNamara Surf Trip', was organised by the Portuguese tourist board, and he said it was certainly something new for him. Report by Victoria Nwosu-Hope. Like us on Facebook: http://on.fb.me/1aENuyJ Follow us on Twitter: http://bit.ly/1fta2Qp Add us on Google+: http://bit.ly/17z0Dpd More stories from ITN: Incredible! Man survives horrific car crash: http://bit.ly/1jcfZoJ Dramatic amateur video of deadly US tornadoes: http://bit.ly/PNi4vO Awkward moment Jon Snow meets Jon Snow: http://bit.ly/1nyUYHY Tornadoes kill at least 17 in Arkansas and Oklahoma: http://bit.ly/1h6rfim Big baby: Mum gives birth to 14.5 pound girl: http://bit.ly/1kcIOAY Strange: Man likes to eat iron nails: http://bit.ly/1pyx41l Is North Korea's propaganda starting to fail? http://bit.ly/1nu1RKI Hostage video emerges of kidnapped embassy employee: http://bit.ly/1muGBlg Car crashes through church during Easter service: http://bit.ly/1eZtxER 300 kg man rescued from home: http://bit.ly/1i6dnE8 Teen stowawy survives five-hour flight in wheel: http://bit.ly/RHJfKy Bad Hair Day? Barber ad mocks Kim Jong-un: http://bit.ly/1nq5U82 Ouch! Bear falls out of 30 foot tree: http://bit.ly/1hIpufg Lions could starve to death in Crimea: http://bit.ly/1n8f4J1 Man steals woman's necklace mid-TV interview: http://bit.ly/1kLhxsS Pet parrot saves woman's life: http://bit.ly/1lVzftw See 2013's Most Watched Videos: http://bit.ly/1cKAmGl See our Biggest Videos of All Time: http://bit.ly/18ZACCf